Version 1.2.0

[lkeegan]

• bump version to 1.2.0
• update changelog
• update screenshots
• update example psydat files
• also include changelog in docs
• add introductory sentence to readme / docs front page

[codecov[bot]]

Codecov Report

Merging #238 (284d8e7) into main (ed30b27) will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #238   +/-   ##
=======================================
  Coverage   89.64%   89.64%           
=======================================
  Files          19       19           
  Lines        1545     1545           
=======================================
  Hits         1385     1385           
  Misses        160      160           

Impacted Files	Coverage Δ
src/vstt/__init__.py	100.00% <100.00%> (ø)

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication